JPS6425231U

JPS6425231U -

Info

Publication number: JPS6425231U
Application number: JP12032387U
Authority: JP
Priority date: 1987-08-04
Filing date: 1987-08-04
Publication date: 1989-02-13

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す回路図、第２
図は従来例を示す回路図である。１，３……電源端、２……出力端、４，５……
入力端、６，７……制御端、９，１０，１２，１
４，１５，１７，１９，２３，２４，２６，２８
，３２，３３，３７，３８，３９，４０，４２…
…ｎｐｎ型トランジスタ、８，１１，１３，１６
，１８，２０，２１，２５，２７，２９，３０，
３４，３５，４１，４３，４４……抵抗、２２，
３１，３６……ｐｎｐ型トランジスタ。 Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing a conventional example. 1, 3...Power supply end, 2...Output end, 4,5...
Input end, 6, 7... Control end, 9, 10, 12, 1
4, 15, 17, 19, 23, 24, 26, 28
, 32, 33, 37, 38, 39, 40, 42...
...npn type transistor, 8, 11, 13, 16
,18,20,21,25,27,29,30,
34, 35, 41, 43, 44...Resistance, 22,
31, 36...pnp type transistor.

Claims

[Claims for Utility Model Registration] The collector and base of a first transistor are connected to the other end of a first resistor whose one end is connected to a high potential end, and the collector and base of a second transistor are connected to the first transistor. one end of a second resistor is connected to the emitter of the second transistor, the other end is connected to the low potential end, and the collector of the third transistor is connected to the high potential end,
The base is connected to the connection point between the first resistor and the first transistor, the emitter is connected to one end of a third, fourth, and fifth resistor, and the other end of the third resistor is connected to a low potential end. , the other end of the fourth resistor is connected to the base of the fourth transistor,
The other end of the fifth resistor is connected to the base of the fifth transistor, and the connection point of the emitter of each of the sixth and seventh transistors is connected to the collector of the fourth transistor. The emitter of the transistor is connected to the low potential end via a sixth resistor, the collector of the sixth transistor is connected to the high potential end, and the base of the sixth transistor is connected to the first input end, and Connecting the collector-base connection point of the collector-base of the eighth transistor to the collector-base of the tenth transistor and the base of the eleventh transistor, respectively, and connecting the emitter of the tenth transistor to the collector-base connection point of the eighth transistor through a seventh resistor. a connection point between the emitters of the eighth transistor and the ninth transistor is connected to the collector of the fifth transistor, the collector of the ninth transistor is connected to the high potential end and the base is connected to the high potential end; are connected to the second input terminals, the emitter of the fifth transistor is connected to the low potential terminal via an eighth resistor, and the base of the fourth transistor is connected to the collector of the twelfth transistor. and the bases of the thirteenth and fourteenth transistors, respectively, with the emitter of the twelfth transistor connected to the low potential end, and the base of the twelfth transistor connected to the first through the ninth resistor. the base of the fifth transistor is connected to the collector of the fifteenth transistor and the bases of the sixteenth and seventeenth transistors, respectively, and the emitter of the fifteenth transistor is connected to the The bases are connected to the potential terminals and the second control terminals via the tenth resistors, respectively, and the base of the tenth transistor is connected to the collector/base of the eighteenth transistor and the base of the nineteenth transistor. The emitter of the eighteenth transistor is connected to the high potential end via the eleventh resistor, and the emitter of the nineteenth transistor is connected to the high potential end via the twelfth resistor. connecting the collectors of each of the thirteenth and sixteenth transistors to the collector-base of the eighteenth transistor, and connecting the emitters of each of the thirteenth and sixteenth transistors to the thirteenth transistor. The collector of the eleventh transistor is connected to the high potential end, and the connection point between the emitter of the eleventh transistor and the emitter of the twentieth transistor is connected to the tenth transistor through a resistor. Connect the emitters of each of the fourteenth and seventeenth transistors to the connection point of the collector of each of the fourteenth and seventeenth transistors through a fourteenth resistor to the low potential end, respectively, and The collector of the transistor is connected to the collector of the 20th transistor and the base of the 21st transistor, respectively, the collector of the 21st transistor is connected to the high potential end, and the emitter is connected to the output end of the 15th transistor. A switch circuit characterized in that the fifteenth resistor is connected to one end of the resistor, and the other end of the fifteenth resistor is connected to a low potential end via the base of the twentieth transistor and the sixteenth resistor.